Answer:
Step-by-step explanation
There are 12 inches in a foot.
3'3" in inches is therefore 39 inches.
39 * 4 = 156 inches in total.
6 feet in inches = 72 inches.
72 * 5 = 360 inches
There are 2 boards which are 18 inches long. In total they will be 36 inches long.
360 + 156 + 36 = 552 inches.
Which equals 46 feet.
With a pencil and paper, you could easily try a few and answer this question on your own. Every polygon has EQUAL numbers of sides and angles.
Tina should make 31 inch tall model to replicate 155 feet tall monument.
Step-by-step explanation:
This problem can be solved by direct unitary methods easily-
Firstly, Scale is the ratio of the dimension of the original substance to the dimension of a model
Scale= original dimension/ model dimension
Model is the miniaturised representation of a substance.
The monument is 155 feet tall
Tina replicates it with a scale 1inch: 5 feet
Thus, this means that Tina would need 155*1/5 = 31 inch tall model to replicate the complete length of the monument.
Hence Tina needs to make 31-inch tall model.
90°
Cuz,
Perpendicular dropped on the point when a tangent touches a circle from its centre make an angle of 90°
Answer:
(5/7 - 1) * (2/3 + (1/6 - 1/9) * 18/5 + 1/15) - (2/7 + 1/3) * (-7/13)
= (5/7 - 7/7) * (2/3 + (3/18 - 2/18) * 18/5 + 1/15) - (6/21 + 7/21) * (-7/13)
= (-2/7) * (2/3 + 1/18 * 18/5 + 1/15) - 13/21 * (-7/13)
= (-2/7) * (2/3 + 1/5 + 1/15) + 7/21
= (-2/7) * (10/15 + 3/15 + 1/15) + 1/3
= (-2/7) * 14/15 + 1/3
= -4/15 + 1/3
= -4/15 + 5/15
= 1/15
